How To Fix CRM_MKT_EXTERNAL018 - Errors reported by RFC gateway:

SAP Error Message - Details

• Message type: E = Error

• Message class: CRM_MKT_EXTERNAL - CRM MKT: Messages for Interface to External Products

• Message number: 018

• Message text: Errors reported by RFC gateway:

What causes this issue?

The RFC-COM Gateway returned an error when executing an internal
function. The RFC-COM Gateway message appears in the message
following this one in the application log (English text).

System Response

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

How to fix this error?

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message CRM_MKT_EXTERNAL018 - Errors reported by RFC gateway: ?

  The SAP error message CRM_MKT_EXTERNAL018 typically indicates an issue related to the RFC (Remote Function Call) gateway, often occurring in the context of SAP CRM (Customer Relationship Management) when there are problems with external systems or interfaces.
  Cause:
  
  RFC Connection Issues: The error may arise due to problems with the RFC connection between the SAP system and an external system. This could be due to network issues, incorrect configuration, or the external system being down.
  Authorization Problems: The user or service account used for the RFC connection may not have the necessary authorizations to perform the required actions.
  Data Format Issues: The data being sent or received may not be in the expected format, leading to processing errors.
  System Configuration: Incorrect settings in the SAP CRM system or the external system can lead to this error.
  
  Solution:
  
  
  Check RFC Connection:
  
  Use transaction SM59 to verify the RFC destination settings. Ensure that the connection is correctly configured and test the connection to see if it is working.
  Check for any network issues that might be affecting the connection.
  
  
  
  Review Authorizations:
  
  Ensure that the user or service account used for the RFC connection has the necessary authorizations to access the required resources in both the SAP system and the external system.
  
  
  
  Examine Data Formats:
  
  Review the data being sent or received to ensure it adheres to the expected formats. This may involve checking the structure of the data and ensuring that all required fields are populated correctly.
  
  
  
  Check System Logs:
  
  Look at the system logs (transaction SLG1) for more detailed error messages that can provide additional context about the issue.
  
  
  
  Consult Documentation:
  
  Refer to SAP documentation or notes related to the specific error message for any known issues or additional troubleshooting steps.
  
  
  
  Contact Support:
  
  If the issue persists after checking the above points, consider reaching out to SAP support for further assistance.
  
  
  
  Related Information:
  
  
  Transaction Codes: 
  
  SM59 (RFC Destinations)
  SLG1 (Application Log)
  ST22 (Dump Analysis)
  SM21 (System Log)
  
  
  
  SAP Notes: Search for relevant SAP Notes in the SAP Support Portal that may address this specific error or provide additional troubleshooting steps.
  
  
  Community Forums: Consider checking SAP Community forums or other online resources where similar issues may have been discussed.
  
  
  By following these steps, you should be able to identify and resolve the underlying cause of the CRM_MKT_EXTERNAL018 error.